Sigmoidins J and K, two new prenylated isoflavonoids from Erythrina sigmoidea

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Abstract

In addition to the two known compounds neotautenol [2] and erythrinassinate B [4], two new compounds, an isoflavanone named sigmoidin J [1] and a coumestan derivative named sigmoidin K [3], have been isolated and characterized from the root bark of the Cameroonian medicinal plant Erythrina sigmoidea. Their structures have been established as 7, 4'-dihydroxy-2',5'-dimethoxy-6'(gamma, gamma-dimethylally)isoflavanone [1] and 3,9-dihydroxy-2,10-(gamma, gamma dimethylallyl) coumestan [3], respectively, by spectroscopic techniques and from chemical evidence.

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Subject classification (UKÄ) – MANDATORY

  • Dermatology and Venereal Diseases
Original languageEnglish
Pages (from-to)1172-1177
JournalJournal of Natural Products
Volume57
Issue number8
Publication statusPublished - 1994
Publication categoryResearch
Peer-reviewedYes

Bibliographic note

The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Department of Dermatology and Venereology (Lund) (013006000), Organic chemistry (S/LTH) (011001240)